sum of 5y² + 7yz - 5z² and 4yz + 3z²
Answers
Answered by
0
Answer:
We have
(i) 3x + 7x = (3 + 7)x = 10x
(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy
Step-by-step explanation:
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Answered by
1
Answer:
5y²+11yz-2z²
Step-by-step explanation:
(5y²+7yz-5z²)+(4yz+3z²)
=5y²+7yz-5z²+4yz+3z²
=5y²+7yz+4yz-5z²+3z²
=5y²+11yz-2z²(ans)
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